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/*
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* @Description: Quill 编辑器
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* @Author: tangjiang
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* @Github:
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* @Date: 2019-11-25 09:46:03
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* @LastEditors: tangjiang
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* @LastEditTime: 2019-12-10 16:10:23
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*/
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// import 'quill/dist/quill.core.css';
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// import 'quill/dist/quill.bubble.css';
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// import 'quill/dist/quill.snow.css';
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// import 'katex/dist/katex.css';
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import './index.less';
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import 'katex/dist/katex.min.css';
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import React from 'react';
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import katex from 'katex';
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const Quill = require('quill');
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// 将katex挂载到window上
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window.katex = katex;
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window.Quill = Quill;
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// const Quill = window.Quill;
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// 指定 Quill 默认配置项
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const defaultOptions = [
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[{ header: [1, 2, 3, 4, 5, 6, false] }], // 自定义标题大小
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['bold', 'italic', 'underline', 'strike'], // 切换按钮
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['blockquote', 'code-block'], // 代码块
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[{ 'list': 'ordered' }, { 'list': 'bullet' }], // 列表
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[{ 'script': 'sub' }, { 'script': 'super' }], // 上标/下标
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[{ 'indent': '-1' }, { 'indent': '+1' }], // 减少缩进/缩进
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[{ 'direction': 'rtl' }],
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[{ 'size': ['small', 'large', 'huge', false] }], // 用户自定义下拉
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[{ 'color': [] }, { 'background': [] }], // 字体颜色与背景色
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[{ 'font': [] }, { 'align': [] }], // 字体与对齐方式
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['formula', 'image', 'video'], // 数学公式、图片、视频
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['clean'], // 清除格式
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];
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/**
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* @description 抽取一个React编辑器组件，基于Quill
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* @class QuillEditor类
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* @param [object] props 接收的属性
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* props: {
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* options: {} // 编辑器配置信息, 不传使用 defaultOptions, 传了的话 使用用户自定义的,
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* placeholder: '' // 编辑器提示信息
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* innerHtml: '', // 编辑器内容
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* onEditorChange: '', // 编辑器内容改变时调用此方法, 返回更改的内容
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* }
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* @return [stirng] content 返回编辑器内容
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*/
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class QuillEditor extends React.Component {
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state = {
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quillEditor: null,
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// quillOptions: defaultOptions
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}
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constructor(props) {
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super(props);
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this.editorRef = React.createRef(null);
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}
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componentDidMount() {
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const { options, placeholder = '', readOnly = false } = this.props;
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let { quillEditor } = this.state;
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// console.log(placeholder);
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const renderOptions = options || defaultOptions;
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const editorOption = {
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placeholder: placeholder,
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modules: {
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toolbar: renderOptions
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},
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readOnly,
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theme: readOnly ? 'bubble' : 'snow',
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}
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// 实例化 Quill 编辑器
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quillEditor = new Quill(this.editorRef.current, editorOption);
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this.setState({
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quillEditor: quillEditor
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});
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// 开启一个定时器读取 html初始时, 如果没有最多执行10次后自动清
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let count = 0;
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this.timer = setInterval(() => {
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count++;
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if (count >= 10 || this.props.htmlCtx) {
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quillEditor.container.firstChild.innerHTML = this.props.htmlCtx || '';
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clearInterval(this.timer);
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this.timer = null;
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}
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}, 50);
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// quillEditor.setText('<p>aaa</p>');
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quillEditor.on('editor-change', this.handleQuillChange);
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// console.log('====>>>', quillEditor);
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}
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// 处理quill事件： editor-change
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/**
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* @param [string] eventName 事件名
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* @param [object] args 参数
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*/
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handleQuillChange = (eventName, ...args) => {
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const { onEditorChange } = this.props;
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// 获取编辑器内容
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const innerHTML = this.state.quillEditor.container.firstChild.innerHTML;
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onEditorChange && onEditorChange(innerHTML);
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// if ('text-change' === eventName) {
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// const {delta, oldDelta, source} = args;
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// console.log('textChange', delta, oldDelta, source);
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// } else if ('selection-change' === eventName) {
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// const {range, oldRange, source} = args;
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// console.log('selectionChange', range, oldRange, source);
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// }
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}
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componentWillUnmount() {
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// 删除事件监听
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this.state.quillEditor.off(this.handleQuillChange);
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}
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render() {
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const styles = this.props.style || {}
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return (
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<div
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id="quill_editor"
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style={styles}
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className={'quill_editor_area'}
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ref={this.editorRef}>
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</div>
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);
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}
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}
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export default QuillEditor;
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harry
5 years ago